Refrigerator



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Amar onirica.

STTES W. FERRIS, P. GARRETT, AND J. MEGRATTEN, OF \VILMING'.[ON,DELAWARE.

REFRIGERATOR.

Specification of Letters Patent No. 19,887, dated April 6, 18158.

To all whom 'it may concern:

Be it known that we, WILLIAM Farms, PHILIPV GARRETT, and JAMESMEGRATTEN, of the city of l/Vilmington, in the State of Delaware, haveinvented a new and Improved Refrigerator; and we do hereby declare thatthe following is a full and exact description thereof, reference beinghad to the accompanying drawings and to letters of reference markedthereon.

The nature of our invention consists in providing` a third apartment orbox composed entirely of tin, zinc or some other suitable metallicsubstance in addition to the two commonly used andso arranging t-he icebox that the cold air will settle to the bottom of the refrigerator,'passing between this inner box and the middle lined box, displacingthewarmer air, driving it out through the tubes on either side.

To enable others skilled in the art to make and use our invention wewill proceed to describe its construction and operation.

Figure l is a cross section; Fig. 2, an isometrical view.

IVe construct our improved refrigerators in any of the known forms andapply thereto the box 0 0 0 0 composed of suitable metallic substance,providing the usual ventilating tubes E, E, E. The drippings from theice chest are carried oif by the usual conductor and the metal linedcover constructed so as to shut perfectly tight upon the ice and meatchests. Vhen the ice is This refrigerator we have tested within threefeet of a stove kept constantly hot, so that the whole outside surfaceof the refrigerator was hot. In this condition we placed one peck of icein the chest, which kept four days and nights and one hour, the ice notmelting until ninety-seven hours had elapsed.

7e do not claim the outer and inner boxes or cases nor theircombination; neither do we claim the filling the space between the innerand outer box with any composition or matter which may be anon-conductor of heat; but

We claim- The combiningof the third or inner box or frame 0 0 o o withthe interior of a refrigerator as shown by our drawing so that a perfectcirculation of cold air may be kept up in the interior of the box orcase 0 0 0 0 and also around it as shown and set forth by thespecification and its accompanying drawings.

WM. FERRIS. PHILIP GARRETT. JAMES MEGRATT'EN. llitnesses:

JAMES IVEBB, WVM. B. VVIGGINS.l

